IC3 Living Online
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URL
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Uniform Resource Locator. It is the web address for a site that directs the browser to a specific IP address. For example http://www.cvccworks.com/howtofindus.aspx
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DNS
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Abbreviation for \"Domain Name System\". A distributed database that links domain names such as \"cvccworks.com\" to specific IP addresses. Also refers to DNS server, a name server, keeps a list of names and the IP addresses associated with each name.
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.com
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A domain name suffix which denotes a commercial or business web address.
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.edu
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A domain name suffix which denotes an educational institution.
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.net
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A general purpose domain name suffix, originally intended for organizations involved with networking technologies, but anyone may now use a .net address.
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.org
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A domain name suffix originally intended to denote a non-profit organization (this was not strictly enforced and anyone may actually register for a .org address)
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.mil
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A domain name suffix which denotes a web address owned by the United States military
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.gov
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A domain name suffix which denotes a ownership by the United States government.
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LAN
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Local Area Network, contained to a relatively small small geographic area (school, business, home).
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WAN
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Wide Area Network. Two or more local area networks connected in a wide spread geographic region
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Intranet
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A self-contained intra-organizational network that is designed using the same technology as the Internet, but limited to use within the organization.
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Client/Server Model
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For a local-area network, a hierarchical model in which one or more computers act as dedicated servers and all the remaining computers act as clients. The server fills requests from clients for data transfers and may run applications hosted on the server.
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Client
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Computer that is connected to a network and requests data from a server. Also called a Node.
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Node
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Another name for Client on a network.
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Server
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A computer designated to handle requests for data transfers from client computers on a network.
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Router
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A device that routes packets between networks based on network-layer addresses; determines the best path across a network. Also are used to connect separate LANs to form a WAN.
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Hub
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Used to connect network components, like a switch, but less sophisticated.
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Switch
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a device used to connect components of a network. It is more sophisticated than a hub and can filter and forward data to a specified destination on the network..
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Ethernet
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The most common form of LAN data transmission technology and follows the IEEE 802.3 standard.
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File Extension
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the suffix after a period at the end of a file name which denotes what type of data the file contains. For example; .exe, .jpg, .pdf, .doc, .gif, .mp3, .wav,. mis, .png, .htm, .txt
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.exe
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file extension denoting an application file, a program. (often blocked as an email attachment due to potential for virus)
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.jpg
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file extension denoting a type of image file created by the Joint Photograph Experts group.
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.wav
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a file extension denoting a standard WAVE audio file created by Microsoft.
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.zip
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a file extension denoting a compressed (zipped) file, used to save space when sending as attachments.
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.txt
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A file extension that denotes a standard unformatted text document, recognized by any text editor or word processing program.
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.doc
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a file extension denoting a Microsoft Word document format.
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email client
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A computer program used to access and manage a users email. Examples include: Outlook, Apple Mail, Lotus Notes,
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web mail
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email accessed directly through a web browser. Examples include; Gmail, Hotmail, Yahoo mail.
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Recipient
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The person who an email is being sent \"To.\" In other words, the email address of the person receiving an email.
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Examples of 2 email address from the same domain
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Bill@cnn.com and Jenny@cnn.com
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Virus
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A potentially damaging computer program that may alter the way the computer performs without the user's knowledge or permission.
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Malware
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Short for Malicious Software. A broad term that describes any program or virus that is intended to exploit a computer without the owners consent, often to perform functions or obtain and transmit information to others.
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Spyware
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Spyware is a type of malware (malicious software) installed on computers that collects information about users without their knowledge and sends it others.
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Internet
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massive interconnection of computer networks that allows them to communicate.
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World Wide Web
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A subset of the internet that uses HTTP to communicate data through web browsers.
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Worm
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A type of virus that is self replicating. Worms do not need to attach to anything to spread, and can tunnel themselves into computers through networks..
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Cache
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A storage location on a computer used to temporarily store files for faster access. For example, Web cache can speed up browsing by saving frequently accessed files.
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Blog
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Short for Web Log, it is a web page that serves as a publicly accessible personal journal for an individual or organization.
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Search Engine
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a website on which one can search for other websites containing information on a specified topic by typing in key words to search for. Examples include; Google, Yahoo, AltaVista.
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IM
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Instant Message - requires both parties to be online in order to send instant messages back and forth.
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texting
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Uses cell phone technology to send text messages. Sender is identified by their phone number.
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Network Administrator Security tasks
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Assigns unique user IDs and passwords, may also monitor network for unusual traffic.
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smith@jackson.edu
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mostly likely an address of a person with last name Smith at a school named jackson.
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Boolean operators in searches
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AND, OR, NOT
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Cable modem
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Connects to the internet through your cable TV line (not a telephone line).
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What is larger LAN or WAN
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WAN
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What is larger WAN or internet
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Internet
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Auto response
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Used in email to set up an automatic reply if you are out of the office.
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Bias
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not objective, slanted towards a particular view.
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Telecommuting
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Using technology to work from home instead of driving to an office.
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Bar code reader in grocery store
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example of Optical Scanning
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Cookie
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small piece of data stored by a browser with information about the computer and its activity.
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True or False- The internet contains the World Wide Web.
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True
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True or False - Print cartridges and Printer Paper are frequently recycled.
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True
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When replying to an email, the text from previous email usually appear with this symbol to the left.
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>>
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The Star with the green plus sign in Explorer is used to
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Add a favorite to a specific folder
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Microsoft's Presentation Software used to communicate information
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Power Point
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Web site Validity
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The truthfulness and accuracy of information presented on the site. Accurate information is considered valid.
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Plug in
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A small program that allows a browser to access certain types of media content.
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Encryption
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The process of encoding information to make it unreadable to anyone except the intended recipient.
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Repetitive Stress Injury
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Injury caused by repetitive motion or strain, such as wrist, hand or eye strain from excessive computer usage.
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Radio Button
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Name comes from similarity to old car radio buttons (push one in, the others pop out). On a computer it usually looks like a circle, when you choose one, the others are no longer active.
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